The Centers for Disease Control and Prevention said on March 8 that more than 300 people on a cruise ship from Texas to Mexico were suffering from ldquo; 's mysterious disease, rdquo;.

Between 26 February and 5 March at least 284 passengers and 34 crew members on board the ldquo; Princess Ruby rdquo; developed symptoms of vomiting and diarrhoea.

The cruise ship docked at Galveston, Texas on March 5.

The CDC said it had sent an epidemiological team to investigate and had not yet found the cause of the large-scale disease.

A spokeswoman for Princess Cruise said the disease was probably caused by the highly contagious norovirus.

It is understood that norovirus belongs to the goblet virovirus family and is one of the common pathogens causing acute gastroenteritis. Norovirus gastroenteritis can occur throughout the year, generally October to March of the following year is the high incidence season of norovirus infection.

The population is generally susceptible, and the cluster epidemic mainly occurs in crowd gathering places such as schools and kindergartens.

The incubation period of norovirus infection is 12-72 hours, usually 24-48 hours.The common symptoms are nausea, vomiting, fever, abdominal pain and diarrhea, and some patients have headache, chills and muscle soreness.Children are mainly vomiting, while adults are mostly diarrhoea, with watery stool or watery stool. & nbsp

Norovirus gastroenteritis is a self-limited disease, and there is no effective antiviral drug at present.

Most patients have mild symptoms without treatment and can recover after 2-3 days of rest. Oral sugar saline or oral rehydration salts can supplement the water consumed by vomiting and diarrhea.

Most patients have mild symptoms without treatment and can recover after 2-3 days of rest. Oral sugar saline or oral rehydration salts can supplement the water consumed by vomiting and diarrhea.